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1. Bounded Variation and Around by Appell, J�urgen. Publication: Berlin : De Gruyter, 2013 . 1 online resource (488 p.) , Description based upon print version of record. Date:2013 Availability: No items available: Actions: Add to cart
2. Nonlinear spectral theory by Appell, J�urgen. Publication: Berlin ; | New York : Walter de Gruyter, 2004 . 1 online resource (xi, 408 p.) : Date:2004 Availability: No items available: Actions: Add to cart